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Water system · PWSID OK2003503

JOHNSTON CO RWS& SWMD #4

100
Excellent
PurityRadar safety score

PWSID

OK2003503

State

Oklahoma

City

COLEMAN

Population served

600

Primary source

Groundwater

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 100

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

84

Violations on record

0

Unaddressed

3

Health-based

114

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Nov 2023. Official EPA record →

Monitoring & reporting · EPA contaminant 3014 began Jul 2023 Resolved
Monitoring & reporting · EPA contaminant 2969 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2378 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2980 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2964 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2968 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2976 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2380 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2977 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2979 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2955 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2981 began Jan 2017 Resolved

Recent enforcement actions

  • State action · SOX Nov 2023
  • State action · SIF Nov 2023
  • State action · SIF Nov 2023
  • State action · SIE Sep 2023
  • State action · SIA Sep 2023
  • State action · SOX May 2023
  • State action · SIA Mar 2023
  • State action · SIE Mar 2023

This profile is built from EPA public records for system OK2003503 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.